When substance $A$ reacts with water,it produces a combustible gas $B$ and a solution of substance $C$ in water. When another substance $D$ reacts with solution $C$,it produces the same gas $B$ even when reacting with dilute sulfuric acid at room temperature. $A$ imparts a golden yellow color to the non-luminous flame of a Bunsen burner. What are $A$,$B$,$C$,and $D$ respectively?
- A$Na$,$H_2$,$NaOH$ and $Zn$
- B$K$,$H_2$,$KOH$ and $Al$
- C$Ca$,$H_2$,$Ca(OH)_2$ and $Sn$
- D$CaC_2$,$C_2H_2$,$Ca(OH)_2$ and $Fe$
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